A. Italy
B. Japan
C. Switzerland
D. None of these
The longest railway tunnel is located in Switzerland
| Name | Location | Length in km |
|---|---|---|
| Gotthard Base Tunnel | Switzerland (Alps) | 57.104 km |
| Seikan Tunnel | Japan (Tsugaru Strait) | 53.85 km |
| Channel Tunnel | France/United Kingdom (English Channel) | 50.45 km |
| Yulhyeon Tunnel | South Korea (Gyeonggi) | 50.3 km |
| Songshan Lake Tunnel | China (Dongguan) | 38.813 km |
